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e 904 Documentation

e 904 Awards

Sennheiser Electronics Corporation e 904

Cardioid Dynamic Microphone

The Sennheiser e904 is a compact dynamic instrument mic designed especially for drums.

The mic has a cardioid polar pattern. The frequency response graph shows a roll-off around 150Hz, to compensate for proximity effect, and a gentle 3dB rise extending from 500Hz. However, because microphone frequency charts are typically measured at a distance of 1M, this information does not reveal much about the sound of the mic when mounted on a drum rim, within a few centimeters from the drum head.